70999990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{2803}}^1$

素因数の和:2976

約数の個数: 32

約数和(自身を含む): 136274400

約数和(自身を除く): 65274410

約数列:

[1, 2, 5, 10, 17, 34, 85, 149, 170, 298, 745, 1490, 2533, 2803, 5066, 5606, 12665, 14015, 25330, 28030, 47651, 95302, 238255, 417647, 476510, 835294, 2088235, 4176470, 7099999, 14199998, 35499995, 70999990]

約数ペア:

[(1, 70999990), (2, 35499995), (5, 14199998), (10, 7099999), (17, 4176470), (34, 2088235), (85, 835294), (149, 476510), (170, 417647), (298, 238255), (745, 95302), (1490, 47651), (2533, 28030), (2803, 25330), (5066, 14015), (5606, 12665)]